1
0
mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-04-07 18:30:55 +03:00
occt/src/BRepBuilderAPI/BRepBuilderAPI_Transform.cxx
msv 346cf025a5 0025938: BRepBuilderAPI_Transform is not thread safe
ModifiedShape() method is made returning shape by value, not by reference.
2015-04-16 10:29:09 +03:00

108 lines
3.2 KiB
C++

// Created on: 1994-12-09
// Created by: Jacques GOUSSARD
// Copyright (c) 1994-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <BRepBuilderAPI_Transform.ixx>
#include <BRepTools_TrsfModification.hxx>
#include <gp.hxx>
//=======================================================================
//function : BRepBuilderAPI_Transform
//purpose :
//=======================================================================
BRepBuilderAPI_Transform::BRepBuilderAPI_Transform (const gp_Trsf& T) :
myTrsf(T)
{
myModification = new BRepTools_TrsfModification(T);
}
//=======================================================================
//function : BRepBuilderAPI_Transform
//purpose :
//=======================================================================
BRepBuilderAPI_Transform::BRepBuilderAPI_Transform (const TopoDS_Shape& S,
const gp_Trsf& T,
const Standard_Boolean Copy) :
myTrsf(T)
{
myModification = new BRepTools_TrsfModification(T);
Perform(S,Copy);
}
//=======================================================================
//function : Perform
//purpose :
//=======================================================================
void BRepBuilderAPI_Transform::Perform(const TopoDS_Shape& S,
const Standard_Boolean Copy)
{
// myUseModif = Copy || myTrsf.IsNegative(); bug gp_Trsf.
myUseModif = Copy ||
myTrsf.ScaleFactor()*myTrsf.HVectorialPart().Determinant() < 0. ||
Abs(Abs(myTrsf.ScaleFactor()) - 1) > gp::Resolution();
if (myUseModif) {
Handle(BRepTools_TrsfModification) theModif =
Handle(BRepTools_TrsfModification)::DownCast(myModification);
theModif->Trsf() = myTrsf;
DoModif(S,myModification);
}
else {
myLocation = myTrsf;
myShape = S.Moved(myLocation);
Done();
}
}
//=======================================================================
//function : ModifiedShape
//purpose :
//=======================================================================
TopoDS_Shape BRepBuilderAPI_Transform::ModifiedShape
(const TopoDS_Shape& S) const
{
if (myUseModif) {
return myModifier.ModifiedShape(S);
}
return S.Moved (myLocation);
}
//=======================================================================
//function : Modified
//purpose :
//=======================================================================
const TopTools_ListOfShape& BRepBuilderAPI_Transform::Modified
(const TopoDS_Shape& F)
{
if (!myUseModif) {
myGenerated.Clear();
myGenerated.Append(F.Moved(myLocation));
return myGenerated;
}
return BRepBuilderAPI_ModifyShape::Modified(F);
}